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Hilarionite & Sarmientite

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AST1007900

Hilarionite & Sarmientite

Type Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attica, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 6.5 × 2.2 cm
Description

Groups of apple green hilarionite crystals richly set on matrix surface with minor sarmientite microcrystals films. Old specimen of this rare type locality Lavrion mineral.

Mineral Data
What's on the rock

Hilarionite

Formula: 
Fe3+2(SO4)(AsO4)(OH)·6H2O
Hardness: 
2.0 - 0.0
Type Locality: 
Hilarion Mine (Hilarion adit; Hilarion Mine No. 50), Hilarion area, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Sarmientite

Formula: 
Fe3+2(AsO4)(SO4)(OH)·5H2O
Strunz: 
8.DB.35
Hardness: 
0.0
Type Locality: 
Santa Elena Mine, Quebrada Alcaparrosa, Calingasta, Calingasta Department, San Juan, Argentina

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